Hearing aid part



FIG. 1 is a perspective view of a hearing aid part, showing the design with an attached cable and earpiece;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a back end view thereof; and,

FIG. 7 is a front end view thereof.

The features shown in broken lines represent environment and do not form part of the claimed design. 

We claim the ornamental design for a hearing aid part, as shown and described. 